Spray gun



FIG. 1 is a perspective view of a spray gun according to the invention;

FIG. 2 is a left side view of a spray gun;

FIG. 3 is a right side view of a spray gun;

FIG. 4 is a rear view of a spray gun;

FIG. 5 is a front view of a spray gun;

FIG. 6 is a top view of a spray gun; and,

FIG. 7 is a bottom view of a spray gun.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a spray gun, as shown and described. 